diff --git a/package.json b/package.json
index 2d6b261..063e50b 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   "license": "BSD-3-Clause",
   "devDependencies": {
     "eslint": "^8.13.0",
-    "eslint-config-prettier": "^8.3.0",
+    "eslint-config-prettier": "^9.0.0",
     "eslint-config-standard": "^17.0.0",
     "eslint-plugin-import": "^2.25.2",
     "eslint-plugin-mocha": "^10.0.1",